From mboxrd@z Thu Jan 1 00:00:00 1970 From: Knut Petersen Subject: Re: [Linux-fbdev-devel] [PATCH 1/1 2.6.13] framebuffer: bit_putcs() optimization for 8x* fonts Date: Wed, 31 Aug 2005 21:52:16 +0200 Message-ID: <43160A70.8020701@t-online.de> References: <43148610.70406@t-online.de> <43149E5B.7040006@t-online.de> <4314DD2E.7060901@t-online.de> <4315A6AB.5090108@t-online.de> <431602CC.1030008@t-online.de> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: Cc: Andrew Morton , linux-fbdev-devel@lists.sourceforge.net, "Antonino A. Daplas" , Linux Kernel Development , Jochen Hein , Geert Uytterhoeven >>The special case for s_pitch == 2 saves about 270 ms system time (2120 -> >>1850ms) >>with a 16x30 font. >> >> >Compared to what? How much is the function call overhead? > > > Your version of the inline code inserted after an if (idx==2) in bit_putcs against my version of the inline code. cu, knut